Urania.

Urania (Οὐρανία) (Ouranía) was the Muse of astronomy in Greek mythology. The globe was the symbol of this goddess.

Zeus was her father and Mnemosyne was Urania's mother.

Also, she had several siblings: Polyhymnia, Euterpe, Calliope, Clio, Erato, Thalia, and etc.

Apollo (Ἀπόλλων) (Apollōn), Hermes (Ἑρμῆς), and Amphimarus (Ἀμφίμαρος) were Urania's husbands.

Linus (Λῖνος) (Linos) and Hymen (Ὑμήν) (Humḗn) were their sons.

Rhesus.

Rhesus (Ῥῆσος) (Rhêsos) was a king of Thrace in Greek myths and legends. This character appears in the Iliad.

Strymon and Euterpe were his parents. Also, Rhesus had siblings.

He took part in the Trojan War.

Rhesus had a wife Arganthone (Ἀργανθώνη).

He was killed by Odysseus.

Euterpe.

Euterpe (Εὐτέρπη) was the Muse of lyric poetry in Greek mythology. Double flute was her symbol.

Zeus was Euterpe's father and Titaness Mnemosyne was her mother.

Euterpe had several sisters: Calliope, Clio, Polyhymnia, Urania, Erato, Thalia, Terpsichore, and Melpomene.

Strymon (Στρυμών) and Apollo were her consorts. Rhesus (Ῥῆσος) (Rhêsos) and Orpheus were Euterpe's sons.

Polyhymnia.

Polyhymnia (Πολυύμνια) was the Muse of poetry and dance in Greek mythology.

Zeus was her father and Mnemosyne (Μνημοσύνη) was her mother.

Calliope (Καλλιόπη) (Kalliópē), Urania (Οὐρανία) (Ouranía), Clio (Κλειώ), Euterpe (Εὐτέρπη), Erato (Ἐρατώ), Terpsichore (Τερψιχόρη), Thalia (Θάλεια), and Melpomene (Μελπομένη) (Melpoménē) were Polyhymnia's siblings.

Orpheus (Ὀρφεύς) and Triptolemus (Τριπτόλεμος) (Triptólemos) were her sons.

There are different arts about Polyhymnia.